College freshman Hae Won butts heads with his cold boss at a rooftop restaurant—until unexpected feelings stir, challenging both their walls and hearts.
Cha Woo-min
Seo Hae Won
Yoo Hwan
Baek Eun Kyu
Moon Kang-hyuk
Cha Ji Soo
Choi Jae-hoon
Ha Jin
Yoo Seung-jun
Joo Seo Hyuk
Yoon Ye-hee
[Guest house host]
